WO2017161704A1 - 一种终端在网络间切换的方法、装置及终端 - Google Patents

一种终端在网络间切换的方法、装置及终端 Download PDF

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Publication number
WO2017161704A1
WO2017161704A1 PCT/CN2016/086015 CN2016086015W WO2017161704A1 WO 2017161704 A1 WO2017161704 A1 WO 2017161704A1 CN 2016086015 W CN2016086015 W CN 2016086015W WO 2017161704 A1 WO2017161704 A1 WO 2017161704A1
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Prior art keywords
network
signal value
value
rtp
range
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PCT/CN2016/086015
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English (en)
French (fr)
Inventor
王诚
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中兴通讯股份有限公司
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Publication of WO2017161704A1 publication Critical patent/WO2017161704A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0055—Transmission or use of information for re-establishing the radio link
    • H04W36/0066—Transmission or use of information for re-establishing the radio link of control information between different types of networks in order to establish a new radio link in the target network
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0083—Determination of parameters used for hand-off, e.g. generation or modification of neighbour cell lists
    • H04W36/00837—Determination of triggering parameters for hand-off
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/24—Reselection being triggered by specific parameters
    • H04W36/30—Reselection being triggered by specific parameters by measured or perceived connection quality data
    • H04W36/302—Reselection being triggered by specific parameters by measured or perceived connection quality data due to low signal strength
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/14—Reselecting a network or an air interface

Definitions

  • This document relates to, but is not limited to, the field of communications, and in particular, to a method, device and terminal for switching between terminals in a network.
  • the terminal switches from the current network to the adjacent network.
  • the process of SRVCC Single Radio Voice Call Continuity in the related art is as follows: the terminal has successfully registered the IMS (IP Multimedia Subsystem) service, and the network sends the SRVCC handover threshold to the terminal.
  • the terminal is establishing or has established a VoLTE (Voice over LTE) call on the LTE (Long Term Evolution) network, and the terminal detects the LTE cell signal and the second generation (Second Generation, second generation mobile communication technology).
  • VoLTE Voice over LTE
  • LTE Long Term Evolution
  • the LTE cell signal is lower than the E-UTRAN (Evolved UMTS Terrestrial Radio Access Network) threshold, and the 2G/3G The cell signal is higher than the UTRAN (UMTS Terrestrial Radio Access) threshold. If it continues to meet the specified duration, the measurement report is reported. After the 2G/3G network receives the measurement report, 2G/3G CS is established. Switch, circuit switching) domain voice bearer, trigger SRVCC command, the terminal switches to the Pro 2G/3G cell, call Calls or calls continue on the Pro 2G/3G network.
  • the threshold of the network where the terminal is currently located is too low.
  • the quality of the voice packet transmission path of the terminal is degraded, and the user is unable to In the case of end communication, the terminal is unable to switch to the adjacent network; or at some time, due to the decline of the network service capability, the terminal obtains less channel resource scheduling, the quality of the voice packet transmission path is degraded, and the voice is intermittent, and the user of the call function
  • the experience is worse, and the network signal value of the terminal currently accessing the network is not lower than the current network threshold, so that the terminal cannot switch to the adjacent network.
  • the invention provides a method, a device and a terminal for switching between terminals in a network, which can solve the problem that the quality of the terminal voice packet transmission channel in the current access network is degraded in the related art, but the problem cannot be switched to the adjacent network.
  • This document provides a method for a terminal to switch between networks, including:
  • the first signal value of the first network is lower than a first preset value, and the second network is a signal value is higher than a second predetermined threshold;
  • the difference between the first signal value of the first network and the first preset threshold is less than a second preset value, and the second network is configured to be switched from the first network to the second network.
  • the first signal value is higher than the second preset threshold.
  • the converting, by the pre-acquired, the indicator information of the terminal during the voice call in the first network into the second signal value of the first network includes:
  • the current RTP transmission rate to be obtained in advance and current The second signal value of the RTP drop rate converted to the first network includes:
  • mapping table searching for a first range in which the current RTP transmission rate is located, obtaining a second signal value S1 of the first network corresponding to the first range; and searching for the current one in the mapping table.
  • the second range of the RTP drop rate is obtained, and the second signal value S2 of the first network corresponding to the second range is obtained;
  • the mapping table is: a range value of the RTP transmission rate and a range value of the RTP drop rate and the first a correspondence map between the second signal values of the network; or
  • the second signal value of the first network S1 RTP transmission rate*p;
  • the second signal value of the first network S2 RTP drop rate*q;
  • RTP transmission rate reduction rate L1 current RTP transmission rate / normal RTP transmission rate
  • RTP drop rate increase rate L2 current RTP drop rate / normal RTP drop rate
  • a second signal value of the first network a first signal value of the first network *L1/L2;
  • the RTP transmission rate is less than the first preset tolerance value and/or the RTP drop rate is greater than the second preset tolerance value, subtracting the first preset threshold value from the third preset value, to obtain the The second signal value of a network.
  • the second signal value of the first network corresponding to the range value of the RTP transmission rate or the range value of the RTP packet loss rate includes any one of the following:
  • a and last Average are the second signal value of the first network; wherein, A is the first signal value of the first network, and the last average is the range value of the RTP transmission rate or the range value of the RTP packet loss rate multiple times The average value of the first signal value of the first network recorded at the time when the set range is reached;
  • the minimum value is selected from A and last min as the second signal value of the first network, where A is The first signal value of the first network, where the last min is the range value of the RTP transmission rate or the range value of the RTP packet loss rate reaches a certain range multiple times, the worst of the first signal values of the plurality of first networks recorded The first signal value of a network.
  • the switching from the first network to the second network according to the second signal value of the first network and the first signal value of the first network includes:
  • the invention also provides a device for switching a terminal between networks, comprising:
  • An acquiring module configured to acquire a first signal value of the first network accessed by the terminal and a first signal value of the second network adjacent to the first network;
  • a determining module configured to determine, according to the first signal value of the first network and the first signal value of the second network, that the terminal is in a handover area that is switched from the first network to the second network;
  • the conversion module is configured to convert the indicator information of the pre-acquired terminal during the voice call in the first network into the second signal value of the first network;
  • a switching module configured to switch from the first network to the second network according to the second signal value of the first network and the first signal value of the first network.
  • the first signal value of the first network is lower than a first preset value, and the second network is a signal value is higher than a second predetermined threshold;
  • the difference between the first signal value of the first network and the first preset threshold is less than a second preset value, and the second network is configured to be switched from the first network to the second network.
  • the first signal value is higher than the second preset threshold.
  • the converting module includes:
  • the conversion submodule is configured to convert the pre-acquired current real-time transport protocol RTP transmission rate and the current RTP drop-out rate into a second signal value of the first network.
  • the conversion submodule includes:
  • a first processing unit configured to: in a preset mapping table, find a first range in which the current RTP transmission rate is located, obtain a second signal value of the first network corresponding to the first range; and in the mapping In the table, the second range in which the current RTP drop rate is located is obtained, and the second signal value of the first network corresponding to the second range is obtained.
  • the mapping table is: a range value of the RTP transmission rate and an RTP drop rate. a mapping table between the range value and the second signal value of the first network; or
  • a second processing unit configured to obtain a second signal value of the first network according to the following formula:
  • the second signal value of the first network S1 RTP transmission rate*p;
  • the second signal value of the first network S2 RTP drop rate*q;
  • a third processing unit configured to obtain a second signal value of the first network according to the following formula:
  • RTP transmission rate reduction rate L1 current RTP transmission rate / normal RTP transmission rate
  • RTP drop rate increase rate L2 current RTP drop rate / normal RTP drop rate
  • a second signal value of the first network a first signal value of the first network *L1/L2;
  • the fourth processing unit is configured to: if the RTP transmission rate is less than the first preset tolerance value and/or the RTP drop rate is greater than the second preset tolerance value, subtract the first preset threshold from the third The preset value is obtained as a second signal value of the first network.
  • the second signal value of the first network corresponding to the range value of the RTP transmission rate or the range value of the RTP drop rate includes any one of the following:
  • the average value of A and last Average is used as the second signal value of the first network, where A is the first signal value of the first network, and the last average is the range value of the RTP transmission rate or the range value of the RTP packet loss rate is reached multiple times.
  • the average value of the first signal value of the first network recorded at the time when the range is set;
  • the second signal value of the first network is selected from A and last min, where A is the first signal value of the first network, and last min is the range value of the RTP transmission rate or the range of the RTP packet loss rate.
  • A is the first signal value of the first network
  • last min is the range value of the RTP transmission rate or the range of the RTP packet loss rate.
  • the switching module includes:
  • a switching submodule configured to: if the first signal value of the replaced first network is lower than the first preset threshold and the first signal value of the second network is higher than the second preset threshold, The first network switches to the second network.
  • Also provided herein is a terminal comprising means for switching between terminals as described above.
  • a computer readable storage medium storing computer executable instructions for performing the above method.
  • the technical solution provided by the method obtains a first signal value of a first network of a first network accessed by a terminal and a first signal value of a second network of a second network adjacent to the first network; and according to the first network The first signal value and the first signal value of the second network determine that the terminal is in a handover area that is switched from the first network to the second network; and convert the indicator information of the terminal during the voice call in the first network into the first
  • the second signal value of the network is switched from the first network to the second network according to the second signal value of the first network and the first signal value of the first network, so that the terminal considers that the terminal is in the process of switching between networks
  • the voice call quality of the current network avoids the problem of delay in switching to the adjacent network in the case where the quality of the voice packet transmission path of the terminal is degraded, and the call function experience is ensured.
  • FIG. 1 is a schematic flowchart diagram of a method for switching a terminal between networks according to an embodiment of the present invention
  • FIG. 2 is a schematic structural diagram of an apparatus for switching between terminals in a network according to an embodiment of the present invention
  • FIG. 3 is a schematic structural diagram of an apparatus for switching between terminals according to an embodiment of the present invention.
  • FIG. 4 is a schematic flowchart of a method for switching a terminal between networks according to an embodiment of the present invention.
  • FIG. 1 is a flowchart of a method for switching a terminal between networks according to an embodiment of the present invention, including the following steps 101 to 104:
  • Step 101 Acquire a first signal value of the first network that is accessed by the terminal, and a first signal value of the second network that is adjacent to the first network.
  • the terminal accesses the network N1, and the network N2 is adjacent to the N1.
  • Step 102 Determine, according to the first signal value of the first network and the first signal value of the second network, that it is in a handover area that is switched from the first network to the second network;
  • Step 103 Convert the pre-acquired indicator information of the terminal in the first network to the second network value of the first network;
  • Step 104 Switch from the first network to the second network according to the second signal value of the first network and the first signal value of the first network.
  • the first signal value of the first network is lower than a first preset value, and the first signal value of the second network is high.
  • the second predetermined threshold is set; or the difference between the first signal value of the first network and the first preset threshold is less than a second preset in the switching area that is switched from the first network to the second network.
  • the first signal value of the second network is higher than the second preset threshold.
  • the first preset threshold may be a handover threshold of the first network that is sent by the first network
  • the second preset threshold may be a handover threshold of the second network that is sent by the second network.
  • Value where the first A preset value is greater than the first preset threshold, for example, the first preset threshold is -120 dB, the first preset value is -115 dB, and the second preset value may be greater than 0 and less than 3 dB.
  • the setting of the first preset value and the second preset value may be set according to the actual service capability of the first network, or may be set based on the actual application experience of the network, and the first preset value is not used in this embodiment. And the setting manner of the second preset value is limited.
  • converting the indicator information of the pre-acquired terminal during the voice call in the first network into the second signal value of the first network includes:
  • the current RTP (Real-time Transport Protocol) transmission rate and the current RTP packet loss rate obtained in advance are converted into the second signal value of the first network.
  • the voice call quality can be quantized by the voice packet transmission performance indicator, that is, the RTP transmission rate and the RTP drop rate are used as indicator information of the terminal in the first network voice call.
  • the step of converting the current RTP transmission rate and the current RTP drop rate to the second signal value of the first network may include the following four implementation manners.
  • the mapping table between the range value of the RTP transmission rate and the range value of the RTP packet loss rate and the second signal value of the first network is preset, and the second signal value of the first network is obtained according to the manner of looking up the table.
  • This process can include the following operations:
  • mapping table searching for a first range in which the current RTP transmission rate is located, obtaining a second signal value of the first network corresponding to the first range, and searching for a current RTP drop rate in the mapping table.
  • a second range obtaining a second signal value of the first network corresponding to the second range.
  • the mapping table is a mapping table between the range value of the RTP transmission rate and the correspondence between the range value of the RTP packet loss rate and the second signal value of the first network.
  • the second signal value of the corresponding first network may be obtained.
  • the second signal value of the first network corresponding to the range value of the RTP transmission rate or the range value of the RTP drop rate may include the following forms:
  • the second signal value of the first network corresponding to the range value of the RTP transmission rate or the range value of the RTP packet loss rate is a constant value, that is, the mapping table is a certain value mapping table.
  • the mapping table is a certain value mapping table. For example, Table 1 Part of the content of a possible mapping table of the first form shown.
  • the second signal value obtained by the first form of the first network may be an empirical value conversion obtained based on actual usage conditions in the first network or a fixed value obtained by a certain operation.
  • the second signal value of the first network corresponding to the range value of the RTP transmission rate or the range value of the RTP packet loss rate is a value obtained by subtracting the determined value from the first signal value of the first network, that is, setting the correction value pair.
  • the first signal value of the first network is corrected to obtain a second signal value of the first network. For example, part of a possible mapping table of the second form shown in Table 2.
  • the determined value subtracted from the first signal value of the first network may be converted based on an empirical value obtained by actual use in the first network or a fixed value obtained through a certain operation.
  • the second signal value of the first network corresponding to the range value of the RTP transmission rate or the range value of the RTP packet loss rate is Average ⁇ A dB, last Average ⁇ .
  • A is the first signal value of the first network
  • the last average is the range value of the RTP transmission rate or the range value of the RTP packet loss rate reaches the set range multiple times, and the first signal value of the first network recorded at the time is recorded.
  • the The last average can be stored in the read-only memory (ROM) of the terminal, and Average ⁇ A dB, last Average ⁇ is the average value of A and last Average as the second signal value of the first network.
  • ROM read-only memory
  • the second signal value of the first network obtained by the above third form can make the terminal more adapt to the network of the area as the terminal usage time increases, and helps the terminal to eliminate the extreme situation.
  • the second signal value of the first network corresponding to the range value of the RTP transmission rate or the range value of the RTP packet loss rate is min ⁇ A dB, last min ⁇ .
  • A is the first signal value of the first network
  • the last min is the range value of the RTP transmission rate or the range value of the RTP packet loss rate reaches a certain range multiple times
  • the first signal value of the plurality of first networks recorded is recorded.
  • the first signal value of the worst first network, the last min may be stored in the ROM of the terminal, and min ⁇ A dB, last min ⁇ is the minimum value selected from A and last min as the second signal value of the first network.
  • Table 4 a portion of a possible mapping table of the fourth form shown in Table 4.
  • the terminal can be more adapted to the network in the area as the terminal usage time increases, and the terminal immediately transmits the second signal of the first network once the RTP performance decreases. Reduced to the lowest in history, speeding up the process of terminal switching between networks.
  • the second signal value of the first network S1 RTP transmission rate*p;
  • the second signal value of the first network S2 RTP drop rate*q;
  • the minimum value of the second signal value S1 of the first network and the second signal value S2 of the first network is taken as the second signal value of the first network.
  • the integrated RTP transmission rate and the RTP drop rate are linearly converted, and the second signal value of the first network is obtained by combining the first signal value of the first network, wherein the second signal value of the first network may be obtained according to the following formula:
  • RTP transmission rate reduction rate L1 current RTP transmission rate / normal RTP transmission rate
  • RTP drop rate increase rate L2 current RTP drop rate / normal RTP drop rate
  • the second signal value of the first network the first signal value *L1/L2 of the first network.
  • the process may include the following operations:
  • the RTP transmission rate is less than the first preset tolerance value and/or the RTP drop rate is greater than the second preset tolerance value, subtracting the first preset threshold from the third preset value to obtain the second network Signal value.
  • the first preset threshold (assumed to be -120 dB) is subtracted from the third preset value (assumed to be 1 dB), then the first network The second signal value is -121dB; for example, when the RTP transmission rate is less than 7Kbps and the RTP packet loss rate is greater than 10%, the first preset threshold value (assumed to be -120dB) is subtracted from the third preset value (assumed to be 1 dB), the second signal value of the first network is -121 dB.
  • the foregoing includes the foregoing implementation manners of converting the current RTP transmission rate and the current RTP drop rate into the second signal value of the first network, which may be selected in practical applications. Take one of these applications, or you can use two or more of them.
  • step 104 the step of switching from the first network to the second network according to the second signal value of the first network and the first signal value of the first network may include:
  • the absolute value of the difference may be determined.
  • the absolute value of the difference is less than X, and the value of the X may be configured according to requirements. Generally, the value of the X is not more than 2 dB.
  • the measurement report is sent to the second network, and the bearer is established with the second network.
  • the method for the terminal to switch between networks obtains a first signal value of the first network of the first network accessed by the terminal and a second network of the second network adjacent to the first network. a signal value; and determining, according to the first signal value of the first network and the first signal value of the second network, that the terminal is in a handover area that is switched from the first network to the second network; and the terminal is voiced in the first network
  • the indicator information at the time of the call is converted into a second signal value of the first network, and is switched from the first network to the second network according to the second signal value of the first network and the first signal value of the first network.
  • the terminal considers the voice call quality of the terminal in the current network in the process of switching between networks, and avoids the problem that the terminal voice packet transmission path quality deteriorates, but it is delayed to switch to the adjacent network, and the call is guaranteed. Functional experience.
  • the embodiments of the present invention provide a device for switching between terminals in a network.
  • the device is configured to: the acquiring module 210, the determining module 220, the converting module 230, and the switching module 240.
  • the obtaining module 210 is configured to obtain a first signal value of the first network accessed by the terminal and a first signal value of the second network adjacent to the first network;
  • the determining module 220 is configured to determine, according to the first signal value of the first network and the first signal value of the second network, that the terminal is in a handover area that is switched from the first network to the second network;
  • the conversion module 230 is configured to convert the indicator information of the pre-acquired terminal during the voice call in the first network into the second signal value of the first network;
  • the switching module 240 is configured to switch from the first network to the second network according to the second signal value of the first network and the first signal value of the first network.
  • the first signal value of the first network is lower than a first preset value, and the first signal value of the second network is higher than the second preset. Threshold value; or,
  • the difference between the first signal value of the first network and the first preset threshold is less than a second preset value, and the first signal value of the second network is changed from the first network to the switching area of the second network. Higher than the second preset threshold.
  • the conversion module 230 includes: a conversion submodule.
  • the conversion submodule is configured to convert the pre-acquired current real-time transport protocol RTP transmission rate and the current RTP drop-out rate into a second signal value of the first network.
  • the conversion submodule further includes: a first processing unit, a second processing unit, a third processing unit, and a fourth processing unit.
  • the first processing unit is configured to: in a preset mapping table, find a first range in which the current RTP transmission rate is located, obtain a second signal value of the first network corresponding to the first range, and search in a mapping table The second range of the current RTP drop rate is obtained, and the second signal value of the first network corresponding to the second range is obtained; wherein the mapping table is: a range value of the RTP transmission rate and a range value of the RTP drop rate and the first network a correspondence map between the second signal values; or
  • a second processing unit configured to obtain a second signal value of the first network according to the following formula:
  • the second signal value S1 of the first network RTP transmission rate *p,
  • the second signal value S2 of the first network RTP packet loss rate *q, where p and q are linear conversion factors a minimum value of the second signal value S1 of the first network and the second signal value S2 of the first network as a second signal value of the first network; or
  • a third processing unit configured to obtain a second signal value of the first network according to the following formula:
  • RTP transmission rate reduction rate L1 current RTP transmission rate / normal RTP transmission rate
  • RTP drop rate increase rate L2 current RTP drop rate / normal RTP drop rate
  • a second signal value of the first network a first signal value of the first network *L1/L2;
  • the fourth processing unit is configured to: if the RTP transmission rate is less than the first preset tolerance value and/or the RTP packet loss rate is greater than the second preset tolerance value, subtract the first preset threshold value from a third preset value, A second signal value of the first network is obtained.
  • the second signal value of the first network corresponding to the range value of the RTP transmission rate or the range value of the RTP packet loss rate may include any one of the following:
  • Average ⁇ A dB, last Average ⁇ where A is the first signal value of the first network, and the last average is the range value of the RTP transmission rate or the range value of the RTP packet loss rate reaches a certain range multiple times, and the recorded time
  • the average value of the first signal value of the first network, Average ⁇ A dB, last Average ⁇ is the average value of A and last Average as the second signal value of the first network;
  • Min ⁇ A dB,last min ⁇ where A is the first signal value of the first network, and last min is the range value of the RTP transmission rate or the range value of the RTP packet loss rate reaches a certain range multiple times, and multiple records are recorded.
  • the first signal value of the worst first network of the first signal values of the first network, min ⁇ A dB, last min ⁇ is the second signal value selected as the first network among the smallest of A and last min.
  • the switching module 240 includes: a replacement submodule and a switching submodule.
  • the method is configured to replace the first signal of the first network by using the second signal value of the first network if the difference between the first signal value of the first network and the second signal value of the first network is within a preset range value;
  • a switching submodule configured to: if the first signal value of the replaced first network is lower than the first preset threshold and the first signal value of the second network is higher than the second preset threshold, The network switches to the second network.
  • the device and the method provided by the method embodiment are provided by the terminal provided by the foregoing embodiment.
  • the method for switching between networks belongs to the same concept, and the implementation process thereof is described in the method embodiment. To avoid repetition, details are not described herein again.
  • the device for switching between the networks by the terminal obtains the first signal value of the first network of the first network accessed by the terminal and the second network of the second network adjacent to the first network by using the acquiring module. a first signal value; determining, by the determining module, that the terminal is in a handover area that is switched from the first network to the second network according to the first signal value of the first network and the first signal value of the second network; the conversion module is the terminal.
  • the indicator information at the time of the voice call in the first network is converted into the second signal value of the first network, and the switching module switches from the first network to the first signal value according to the second signal value of the first network and the first signal value of the first network.
  • the terminal considers the voice call quality of the terminal in the current network in the process of switching between networks, and avoids the problem that the terminal voice packet transmission path quality deteriorates, but it is delayed to switch to the adjacent network, and the call is guaranteed. Functional experience.
  • Embodiments of the present invention provide a terminal, including the apparatus for switching between terminals according to the foregoing.
  • the terminal having the device for switching between the networks should also have corresponding technical effects, and the implementation process is similar to the above embodiment, in order to avoid Repeat, no longer repeat them here.
  • the first network is an LTE network
  • the second network is a Pro 2G/3G network
  • the handover process of the terminal between the networks is an SRVCC handover process
  • the terminal supports VoLTE/SRVCC.
  • FIG. 3 which is a structural implementation example of an apparatus for switching between networks in a terminal according to an embodiment of the present invention
  • the apparatus for switching between terminals in the network provided by the implementation example may include: a real-time detection module 310, a signal.
  • the method for switching between terminals in the network includes the following steps 401 to 406:
  • Step 401 collecting an RTP transmission rate and an RTP drop rate.
  • the real-time detection module 310 starts monitoring the number of RTPs. According to the transmission of two indicator information (RTP transmission rate and RTP drop rate), the indicator information is sent to the measurement report correction module 330 every predetermined time.
  • Step 402 Collect an LTE cell signal and a Pro 2G/3G cell signal.
  • the signal measurement module 320 acquires the LTE cell signal a (the first signal value of the first network) and the 2G/3G cell signal b (the first signal value of the second network), and the RF drive of the terminal drives the LTE cell
  • the signal a and the Pro 2G/3G cell signal b are sent to the measurement report correction module 330.
  • Step 403 Determine whether the terminal is in the SRVCC switching area.
  • the terminal has obtained the SRVCC handover threshold sent by the network side from the system message: the E-UTRAN threshold (the first preset threshold) is A, and the UTRAN threshold (the second preset gate) The limit value is B; if the measurement report correction module 330 determines that the LTE cell signal a value is lower than a preset network threshold A' (the first preset value, A' is greater than A), and the 3G/ The 2G cell signal b is higher than the B value, or the difference between the LTE cell signal a and the E-UTRAN threshold A is within 3 dB (second preset value), and the 2G/3G cell signal b is higher than the B value.
  • step 404 is performed; if the terminal is in the SRVCC handover area, step 402 is performed again, and the LTE cell signal and the LTE cell are collected. 2G/3G cell signal.
  • Step 404 evaluating an equivalent LTE signal reception value according to the RTP transmission rate and the RTP drop rate.
  • the measurement report modification module 330 may convert the RTP transmission rate and the RTP drop rate into an equivalent LTE signal reception value (the second signal value of the first network) by any one of the following implementations.
  • Equivalent LTE signal reception value 1 RTP transmission rate * p;
  • Equivalent LTE signal reception value 2 RTP packet loss rate * q;
  • the minimum value of the equivalent LTE signal reception value 1 and the equivalent LTE signal reception value 2 is taken as the equivalent LTE signal reception value.
  • RTP transmission rate reduction rate L1 current RTP transmission rate / normal RTP transmission rate
  • RTP drop rate increase rate L2 current RTP drop rate / normal RTP drop rate
  • Equivalent LTE signal reception value LTE cell signal a*L1/L2.
  • the E-UTRAN threshold value A is subtracted by 1 dB (the third preset value) ), get the equivalent LTE signal reception value.
  • Step 405 Determine that the difference between the equivalent LTE signal received value and the actual measured value is in an alternative range.
  • the measurement report correction module 330 determines whether the difference between the equivalent LTE signal received value and the actual measured value (LTE cell signal a) is in a replaceable range (preset range), that is, whether the absolute value of the difference is less than 2 dB. . If it is within the replaceable range, step 406 is performed; if it is not within the replaceable range, it is re-detected.
  • step 406 the equivalent LTE signal received value is substituted for the actual measured value; when the SRVCC switching threshold is met, the LTE network is switched to the Pro 2G/3G network.
  • the measurement report generation module 340 compares the above-mentioned equivalent LTE signal received value that is determined by the measurement report correction module 330 to the actual measurement value (the LTE cell signal a) within an alternative range (preset range).
  • the actual measurement value (LTE cell signal a) is replaced;
  • the measurement report generation module 340 compares the 2G/3G cell signal b with the UTRAN threshold B by comparing the equivalent LTE signal received value with the E-UTRAN threshold A.
  • the measurement report is reported to the network; the bearer of the network is built in the 2G/3G network. After that, the terminal is notified to switch to the Pro 2G/3G network.
  • the embodiment of the invention further provides a computer readable storage medium storing computer executable instructions for performing the method of the above embodiment.
  • the instructions are related to hardware (eg, a processor) that can be stored in a computer readable storage medium, such as a read only memory, a magnetic disk, or an optical disk.
  • a computer readable storage medium such as a read only memory, a magnetic disk, or an optical disk.
  • all or part of the steps of the above embodiments may also be implemented using one or more integrated circuits.
  • the modules/units in the above embodiments may be implemented in the form of hardware, for example, by implementing integrated functions to implement their respective functions, or may be implemented in the form of software function modules, for example, executing program instructions stored in the memory by the processor. To achieve its corresponding function.
  • This application is not limited to any specific combination of hardware and software.
  • the embodiment of the present invention obtains a first signal value of the first network of the first network accessed by the terminal and a first signal value of the second network of the second network adjacent to the first network; and according to the first network Determining, by the first signal value and the first signal value of the second network, that the terminal is in a handover area that is switched from the first network to the second network; converting the indicator information of the terminal during the voice call in the first network into the first network
  • the second signal value is switched from the first network to the second network according to the second signal value of the first network and the first signal value of the first network, so that the terminal considers that the terminal is currently in the process of switching between networks
  • the quality of the voice call of the network avoids the problem of delay in switching to the adjacent network in the case where the quality of the voice packet transmission path of the terminal is degraded, thereby ensuring the call function experience.

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Abstract

一种终端在网络间切换的方法、装置及终端，该方法包括：获取终端接入的第一网络的第一信号值以及与该第一网络相邻的第二网络的第一信号值；根据第一网络的第一信号值以及第二网络的第一信号值，确定终端处在从第一网络切换到第二网络的切换区域内；将预先获取到的终端在第一网络中语音通话时的指标信息转换为第一网络的第二信号值；根据第一网络的第二信号值和第一网络的第一信号值，从第一网络切换到第二网络。

Description

一种终端在网络间切换的方法、装置及终端 技术领域
本文涉及但不限于通信领域，尤其涉及一种终端在网络间切换的方法、装置及终端。
背景技术
当终端当前所处网络的网络信号低于当前网络的门限，且相邻网络的网络信号高于该相邻网络的网络门限时，终端会从当前所处网络切换至相邻网络。例如相关技术中SRVCC(Single Radio Voice Call Continuity，单一无线语音连续性)的过程如下：终端已经成功进行了IMS(IP Multimedia Subsystem，IP多媒体子系统)服务注册，网络向终端下发了SRVCC切换门限；终端在LTE(Long Term Evolution，长期演进)网络上正在建立或已建立了VoLTE(Voice over LTE，LTE语音)通话，终端检测LTE小区信号和临2G(Second Generation，第二代移动通信技术)/3G(3rd Generation，第三代移动通信技术)小区信号是否满足门限：LTE小区信号低于E-UTRAN(Evolved UMTS Terrestrial Radio Access Network，演进的UMTS陆地无线接入网)门限，临2G/3G小区信号高于UTRAN(UMTS Terrestrial Radio Access，UMTS陆地无线接入网)门限，如果持续满足并达到规定时长，上报测量报告；临2G/3G网络收到测量报告后，建立2G/3G CS(Circuit Switch，电路交换)域语音承载，触发SRVCC指令，终端切换到临2G/3G小区，呼叫或通话继续在临2G/3G网络上进行。
但是，相关技术中中存在这样的问题，在某些区域中终端当前所处网络的门限值太低，当终端在网络信号过差，导致终端语音包传输通路质量劣化，用户已经无法和对端交流的情况，终端却迟迟无法切换到相邻网络；或者在某些时候，由于网络服务能力下降，导致终端获得信道资源调度减少，语音包传输通路质量劣化，语音断断续续，通话功能的用户体验变差，而终端当前接入网络的网络信号值没有低于当前网络门限，以至于终端无法切换到相邻网络。
发明内容
以下是对本文详细描述的主题的概述。本概述并非是为了限制权利要求的保护范围。
本文提供一种终端在网络间切换的方法、装置及终端，可以解决相关技术中终端在当前接入网络出现终端语音包传输通路质量劣化的情况，却迟迟无法切换至相邻网络的问题。
本文提供一种终端在网络间切换的方法，包括：
获取终端接入的第一网络的第一信号值以及与该第一网络相邻的第二网络的第一信号值；
根据所述第一网络的第一信号值以及第二网络的第一信号值，确定所述终端处在从第一网络切换到第二网络的切换区域内；
将预先获取到的终端在第一网络中语音通话时的指标信息转换为第一网络的第二信号值；
根据所述第一网络的第二信号值和所述第一网络的第一信号值，从第一网络切换到第二网络。
可选地，上述方法中，所述从第一网络切换到第二网络的切换区域内，所述第一网络的第一信号值低于第一预设值，且所述第二网络的第一信号值高于第二预设门限值；或者
所述从第一网络切换到第二网络的切换区域内，所述第一网络的第一信号值和第一预设门限值的差值小于第二预设值，且所述第二网络的第一信号值高于第二预设门限值。
可选地，上述方法中，所述将预先获取到的终端在第一网络中语音通话时的指标信息转换为第一网络的第二信号值包括：
将预先获取到的当前的实时传输协议RTP传输速率和当前的RTP掉包率转换为第一网络的第二信号值。
可选地，上述方法中，所述将预先获取到的当前的RTP传输速率和当前 的RTP掉包率转换为第一网络的第二信号值包括：
在预设的映射表中，查找所述当前的RTP传输速率所在的第一范围，获得该第一范围对应的第一网络的第二信号值S1；并在所述映射表中，查找当前的RTP掉包率所在的第二范围，获得该第二范围对应的第一网络的第二信号值S2；其中，所述映射表为：RTP传输速率的范围值以及RTP掉包率的范围值与第一网络的第二信号值之间的对应关系映射表；或者
根据以下获得第一网络的第二信号值：
第一网络的第二信号值S1＝RTP传输速率*p；
第一网络的第二信号值S2＝RTP掉包率*q；
其中，p和q为线性换算因子；
将第一网络的第二信号值S1和第一网络的第二信号值S2中的最小值作为第一网络的第二信号值；或者
根据以下公式获得第一网络的第二信号值：
RTP传输速率下降率L1＝当前RTP传输速率/正常RTP传输速率；
RTP掉包率增加率L2＝当前RTP掉包率/正常RTP掉包率；
第一网络的第二信号值＝第一网络的第一信号值*L1/L2；或者
若所述RTP传输速率小于第一预设容忍值和/或所述RTP掉包率大于第二预设容忍值，则将第一预设门限值减去第三预设值，得到所述第一网络的第二信号值。
可选地，上述方法中，所述映射表中，RTP传输速率的范围值或者RTP掉包率的范围值对应的第一网络的第二信号值包括如下任一种：
常数值；
第一网络的第一信号值减去确定值得到的值；
将A和last Average的平均值作为第一网络的第二信号值；，其中，A为第一网络的第一信号值，last Average为RTP传输速率的范围值或者RTP掉包率的范围值多次达到设定范围时，记录的当时的第一网络的第一信号值的平均值；
从A和last min中选取最小值作为第一网络的第二信号值，其中，A为 第一网络的第一信号值，last min为RTP传输速率的范围值或者RTP掉包率的范围值多次达到某个范围时，记录的多个第一网络的第一信号值中最差的第一网络的第一信号值。
可选地，上述方法中，所述根据所述第一网络的第二信号值和所述第一网络的第一信号值，从第一网络切换到第二网络包括：
如果所述第一网络的第一信号值和第一网络的第二信号值的差值在预设范围内，利用第一网络的第二信号值替换第一网络的第一信号值；
如果替换后的第一网络的第一信号值低于第一预设门限值且所述第二网络的第一信号值高于第二预设门限值，则从第一网络切换到第二网络。
本文还提供一种终端在网络间切换的装置，包括：
获取模块，设置为获取终端接入的第一网络的第一信号值以及与该第一网络相邻的第二网络的第一信号值；
确定模块，设置为根据所述第一网络的第一信号值以及第二网络的第一信号值，确定所述终端处在从第一网络切换到第二网络的切换区域内；
转换模块，设置为将预先获取到的终端在第一网络中语音通话时的指标信息转换为第一网络的第二信号值；
切换模块，设置为根据所述第一网络的第二信号值和所述第一网络的第一信号值，从第一网络切换到第二网络。
可选地，上述装置中，所述从第一网络切换到第二网络的切换区域内，所述第一网络的第一信号值低于第一预设值，且所述第二网络的第一信号值高于第二预设门限值；或者
所述从第一网络切换到第二网络的切换区域内，所述第一网络的第一信号值和第一预设门限值的差值小于第二预设值，且所述第二网络的第一信号值高于第二预设门限值。
可选地，上述装置中，所述转换模块包括：
转换子模块，设置为将预先获取到的当前的实时传输协议RTP传输速率和当前的RTP掉包率转换为第一网络的第二信号值。
可选地，上述装置中，所述转换子模块包括：
第一处理单元，设置为在预设的映射表中，查找所述当前的RTP传输速率所在的第一范围，获得该第一范围对应的第一网络的第二信号值；并在所述映射表中，查找当前的RTP掉包率所在的第二范围，获得该第二范围对应的第一网络的第二信号值；其中，所述映射表为：RTP传输速率的范围值以及RTP掉包率的范围值与第一网络的第二信号值之间的对应关系映射表；或者
第二处理单元，设置为根据以下公式获得第一网络的第二信号值：
第一网络的第二信号值S1＝RTP传输速率*p；
第一网络的第二信号值S2＝RTP掉包率*q；
其中，p和q为线性换算因子；
将第一网络的第二信号值S1和第一网络的第二信号值S2中的最小值作为第一网络的第二信号值；或者
第三处理单元，设置为根据以下公式获得第一网络的第二信号值：
RTP传输速率下降率L1＝当前RTP传输速率/正常RTP传输速率；
RTP掉包率增加率L2＝当前RTP掉包率/正常RTP掉包率；
第一网络的第二信号值＝第一网络的第一信号值*L1/L2；或者
第四处理单元，设置为若所述RTP传输速率小于第一预设容忍值和/或所述RTP掉包率大于第二预设容忍值，则将第一预设门限值减去一第三预设值，得到所述第一网络的第二信号值。
可选地，上述装置中，所述映射表中，RTP传输速率的范围值或者RTP掉包率的范围值对应的第一网络的第二信号值包括如下任一种：
常数值；
第一网络的第一信号值减去一确定值得到的值；
将A和last Average的平均值作为第一网络的第二信号值，其中，A为第一网络的第一信号值，last Average为RTP传输速率的范围值或者RTP掉包率的范围值多次达到设定范围时，记录的当时的第一网络的第一信号值的平均值；
从A和last min中选取最小值的作为第一网络的第二信号值，其中，A为第一网络的第一信号值，last min为RTP传输速率的范围值或者RTP掉包率的范围值多次达到某个范围时，记录的多个第一网络的第一信号值中最差的第一网络的第一信号值。
可选地，上述装置中，所述切换模块包括：
替换子模块，设置为如果所述第一网络的第一信号值和第一网络的第二信号值的差值在预设范围内，利用所述第一网络的第二信号值替换所述第一网络的第一信号值；
切换子模块，设置为如果替换后的第一网络的第一信号值低于第一预设门限值且所述第二网络的第一信号值高于第二预设门限值，则从第一网络切换到第二网络。
本文还提供一种终端，包括如上所述的终端在网络间切换的装置。
一种计算机可读存储介质，存储有计算机可执行指令，所述计算机可执行指令用于执行上述方法。
本文提供的技术方案通过获取终端接入的第一网络的第一网络的第一信号值以及与该第一网络相邻的第二网络的第二网络的第一信号值；并根据第一网络的第一信号值以及第二网络的第一信号值，确定终端处在从第一网络切换到第二网络的切换区域内；将终端在第一网络中语音通话时的指标信息转换为第一网络的第二信号值，根据第一网络的第二信号值和第一网络的第一信号值，从第一网络切换到第二网络，这样实现终端在网络间切换的过程中考虑了终端在当前网络的语音通话质量，避免了在出现终端语音包传输通路质量劣化的情况下，却迟迟无法切换至相邻网络的问题，保证了通话功能体验。
在阅读并理解了附图和详细描述后，可以明白其他方面。
附图概述
图1表示本发明实施例提供的终端在网络间切换的方法的流程示意图；
图2表示本发明实施例提供的终端在网络间切换的装置的结构示意图；
图3表示本发明实施例提供的终端在网络间切换的装置的一种结构实施示例；
图4表示本发明实施例提供的终端在网络间切换的方法的一种流程实施示例。
本发明的实施方式
下文中将结合附图对本文的实施例进行详细说明。需要说明的是，在不冲突的情况下，本申请中的实施例及实施例中的特征可以相互任意组合。
请参见图1，其示出的是本发明实施例提供的终端在网络间切换的方法的流程，包括如下步骤101至104：
步骤101，获取终端接入的第一网络的第一信号值以及与该第一网络相邻的第二网络的第一信号值；比如终端接入网络N1，网络N2与N1相邻，本步骤获取网络N1的第一信号值和网络N2的第一信号值；
步骤102，根据所述第一网络的第一信号值以及第二网络的第一信号值，确定处在从第一网络切换到第二网络的切换区域内；
步骤103，将预先获取到的终端在第一网络中语音通话时的指标信息转换为第一网络的第二信号值；
步骤104，根据所述第一网络的第二信号值和所述第一网络的第一信号值，从第一网络切换到第二网络。
可选地，本实施例涉及的从第一网络切换到第二网络的切换区域内，第一网络的第一信号值低于一第一预设值，且第二网络的第一信号值高于第二预设门限值；或者，从第一网络切换到第二网络的切换区域内，第一网络的第一信号值和第一预设门限值的差值小于一第二预设值，且第二网络的第一信号值高于第二预设门限值。
可选地，第一预设门限值可以是第一网络下发的第一网络的切换门限值，第二预设门限值可以是第二网络下发的第二网络的切换门限值，其中，该第 一预设值大于第一预设门限值，例如第一预设门限值为-120dB，第一预设值为-115dB；第二预设值可以是大于0且小于3dB。该第一预设值以及第二预设值的设定可以根据第一网络的实际服务能力进行设定，也可以基于网络实际应用经验进行设定，该实施例中不对该第一预设值以及该第二预设值的设定方式作限定。
可选地，上述步骤103中，将预先获取到的终端在第一网络中语音通话时的指标信息转换为第一网络的第二信号值包括：
将预先获取到的当前的RTP(Real-time Transport Protocol，实时传输协议)传输速率和当前的RTP掉包率转换为第一网络的第二信号值。
可选地，可以通过语音数据包传输性能指标对语音通话质量进行可量化衡量，即将RTP传输速率和RTP掉包率作为终端在第一网络中的语音通话时的指标信息。
可选方案中，上述将预先获取到的当前的RTP传输速率和当前的RTP掉包率转换为第一网络的第二信号值的步骤，可以包括以下四种实现方式。
第一种实现方式
预先设置RTP传输速率的范围值以及RTP掉包率的范围值与第一网络的第二信号值之间的对应关系映射表，并根据查表的方式得到第一网络的第二信号值。此过程可以包括如下操作：
在预设的映射表中，查找当前的RTP传输速率所在的第一范围，获得该第一范围对应的第一网络的第二信号值；并在映射表中，查找当前的RTP掉包率所在的第二范围，获得该第二范围对应的第一网络的第二信号值。其中，映射表为：RTP传输速率的范围值以及RTP掉包率的范围值与第一网络的第二信号值之间的对应关系映射表。
可选地，当当前RTP传输速率和当前RTP掉包率中的任意一个指标信息改变导致RTP传输性能下降，即可得到对应的第一网络的第二信号值。
可选地，在上述映射表中，RTP传输速率的范围值或者RTP掉包率的范围值对应的第一网络的第二信号值可以包括以下几种形式：
第一种形式，RTP传输速率的范围值或者RTP掉包率的范围值对应的第一网络的第二信号值是一常数值，即该映射表为一定值映射表。例如，表1 中示出的第一种形式的一种可能的映射表的部分内容。
表1、第一种形式的映射表的部分内容
RTP传输速率 RTP掉包率 第一网络的第二信号值
<10Kbps 或>5％ -119dB
<8Kbps 或>10％ -120dB
<5Kbps 或>15％ -121dB
…… …… ……
上述第一种形式得到第一网络的第二信号值可以为基于该第一网络中的实际使用情况获得的经验值换算或者经过一定运算取得的定值。
或者
第二种形式，RTP传输速率的范围值或者RTP掉包率的范围值对应的第一网络的第二信号值是第一网络的第一信号值减去确定值得到的值，即设置修正值对第一网络的第一信号值进行修正得到该第一网络的第二信号值。例如，表2中示出的第二种形式的一种可能的映射表的部分内容。
表2、第二种形式的映射表的部分内容
RTP传输速率 RTP掉包率 第一网络的第二信号值
<10Kbps 或>5％ 第一网络的第一信号值减去1dB
<8Kbps 或>10％ 第一网络的第一信号值减去2dB
<5Kbps 或>15％ 第一网络的第一信号值减去3dB
…… …… ……
上述第二种形式中，第一网络的第一信号值所减去的确定值可以基于该第一网络中的实际使用情况获得的经验值换算或者经过一定运算取得的定值。
或者
第三种形式，RTP传输速率的范围值或者RTP掉包率的范围值对应的第一网络的第二信号值是Average{A dB，last Average}。其中，A为第一网络的第一信号值，last Average为RTP传输速率的范围值或者RTP掉包率的范围值多次达到设定范围时，记录的当时的第一网络的第一信号值的平均值，该 last Average可以保存在终端的只读存储器(Read-Only Memory，ROM)中，Average{A dB，last Average}为A和last Average的平均值作为第一网络的第二信号值。例如，表3中示出的第三种形式的一种可能的映射表的部分内容。
表3、第三种形式的映射表的部分内容
RTP传输速率 RTP掉包率 第一网络的第二信号值
<10Kbps 或>5％ Average{-114dB，last Average}
<8Kbps 或>10％ Average{-116dB，last Average}
<5Kbps 或>15％ Average{-118dB，last Average}
…… …… ……
通过上述第三种形式得到的第一网络的第二信号值，能够随着终端使用时间的增加，使终端更加适应该区域的网络，并有助于终端剔除极端的情况。
或者
第四种形式，RTP传输速率的范围值或者RTP掉包率的范围值对应的第一网络的第二信号值是min{A dB，last min}。其中，A为第一网络的第一信号值，last min为RTP传输速率的范围值或者RTP掉包率的范围值多次达到某个范围时，记录的多个第一网络的第一信号值中最差的第一网络的第一信号值，该last min可以保存在终端的ROM中，min{A dB，last min}为A和last min中选取最小值作为第一网络的第二信号值。例如，表4中示出的第四种形式的一种可能的映射表的部分内容。
表4、第四种形式的映射表的部分内容
RTP传输速率 RTP掉包率 第一网络的第二信号值
<10Kbps 或>5％ min{-114dB，last min}
<8Kbps 或>10％ min{-116dB，last min}
<5Kbps 或>15％ min{-118dB，last min}
…… …… ……
通过上述第四种形式得到第一网络的第二信号值，能够随着终端使用时间增加，使终端将更加适应这个区域的网络，且一旦RTP性能下降，终端立即将第一网络的第二信号降为历史最低，加速终端在网络间的切换过程。
第二种实现方式
根据第一网络的第二信号值与RTP传输速率之间的线性换算关系式以及，第一网络的第二信号值与RTP掉包率之间的线性换算关系式，得到第一网络的第二信号值，其中，可以根据以下公式获得第一网络的第二信号值：
第一网络的第二信号值S1＝RTP传输速率*p；
第一网络的第二信号值S2＝RTP掉包率*q；
其中，p和q为线性换算因子；
将第一网络的第二信号值S1和第一网络的第二信号值S2中的最小值作为第一网络的第二信号值。
第三种实现方式
综合RTP传输速率和RTP掉包率进行线性换算，并结合第一网络的第一信号值得到第一网络的第二信号值，其中，可以是根据以下公式获得第一网络的第二信号值：
RTP传输速率下降率L1＝当前RTP传输速率/正常RTP传输速率；
RTP掉包率增加率L2＝当前RTP掉包率/正常RTP掉包率；
第一网络的第二信号值＝第一网络的第一信号值*L1/L2。
第四种实现方式
通过设定一个最低容忍值，当RTP传输性能下降至该最低容忍值时，获取一低于第一预设门限值的值作为第一网络的第二信号值，该过程可以包括如下操作：
若RTP传输速率小于第一预设容忍值和/或RTP掉包率大于第二预设容忍值，则将第一预设门限值减去一第三预设值，得到第一网络的第二信号值。
例如，当RTP传输速率小于5Kbps，或RTP掉包率大于15％时，将第一预设门限值(假定为-120dB)减去第三预设值(假定为1dB)，则第一网络的第二信号值为-121dB；再例如，当RTP传输速率小于7Kbps，RTP掉包率大于10％时，将第一预设门限值(假定为-120dB)减去第三预设值(假定为1dB)，则第一网络的第二信号值为-121dB。
可选地，上述将预先获取到的当前的RTP传输速率和当前的RTP掉包率转换为第一网络的第二信号值包括的几种实现方式，在实际应用中可以是选 取其中任意一种应用，也可以将其中的两种或两种以上的实现方式配合应用。
可选地，步骤104，根据所述第一网络的第二信号值和所述第一网络的第一信号值，从第一网络切换到第二网络的步骤可以包括：
如果第一网络的第一信号值和第一网络的第二信号值的差值在预设范围内，利用第一网络的第二信号值替换第一网络的第一信号值；
上述步骤中，通过对第一网络的第一信号值与第一网络的第二信号值之间的差值是否在预设范围内进行判断，以确保两者间的差值不会太大，避免造成替换后的第一网络的第一信号值(第一网络的第二信号值)相对原第一网络的第一信号值过度修正，偏离真实情况太多。可选地，可以取该差值的绝对值进行判断，例如该差值的绝对值小于X，该X的取值可以根据需要配置，一般建议该X的取值不超过2dB。
如果替换后的第一网络的第一信号值低于第一预设门限值且第二网络的第一信号值高于第二预设门限值，则从第一网络切换到第二网络。
上述步骤中，当替换后的第一网络的第一信号值低于第一预设门限值(第一网络的切换门限值)，且第二网络的第一信号值高于第二预设门限值(第二网络的切换门限值)，则向第二网络发送测量报告，并与第二网络建立承载。
本发明实施例提供的终端在网络间切换的方法，通过获取终端接入的第一网络的第一网络的第一信号值以及与该第一网络相邻的第二网络的第二网络的第一信号值；并根据第一网络的第一信号值以及第二网络的第一信号值，确定终端处在从第一网络切换到第二网络的切换区域内；将终端在第一网络中语音通话时的指标信息转换为第一网络的第二信号值，根据第一网络的第二信号值和第一网络的第一信号值，从第一网络切换到第二网络。这样终端在网络间切换的过程中考虑了终端在当前网络的语音通话质量，避免了在出现终端语音包传输通路质量劣化的情况下，却迟迟无法切换至相邻网络的问题，保证了通话功能体验。
为实现上述方法实施例，本发明实施例对应提供一种终端在网络间切换的装置。
请参见图2，其示出的是本发明实施例提供的终端在网络间切换的装置 的结构示意图，该终端在网络间切换的装置包括：获取模块210、确定模块220、转换模块230以及切换模块240。
获取模块210，设置为获取终端接入的第一网络的第一信号值以及与该第一网络相邻的第二网络的第一信号值；
确定模块220，设置为根据第一网络的第一信号值以及第二网络的第一信号值，确定终端处在从第一网络切换到第二网络的切换区域内；
转换模块230，设置为将预先获取到的终端在第一网络中语音通话时的指标信息转换为第一网络的第二信号值；
切换模块240，设置为根据第一网络的第二信号值和第一网络的第一信号值，从第一网络切换到第二网络。
可选地，从第一网络切换到第二网络的切换区域内，第一网络的第一信号值低于一第一预设值，且第二网络的第一信号值高于第二预设门限值；或者，
从第一网络切换到第二网络的切换区域内，第一网络的第一信号值和第一预设门限值的差值小于一第二预设值，且第二网络的第一信号值高于第二预设门限值。
可选地，转换模块230包括：转换子模块。
转换子模块，设置为将预先获取到的当前的实时传输协议RTP传输速率和当前的RTP掉包率转换为第一网络的第二信号值。
可选地，转换子模块又包括：第一处理单元、第二处理单元、第三处理单元以及第四处理单元。
第一处理单元，设置为在预设的映射表中，查找当前的RTP传输速率所在的第一范围，获得该第一范围对应的第一网络的第二信号值；并在映射表中，查找当前的RTP掉包率所在的第二范围，获得该第二范围对应的第一网络的第二信号值；其中，映射表为：RTP传输速率的范围值以及RTP掉包率的范围值与第一网络的第二信号值之间的对应关系映射表；或者
第二处理单元，设置为根据以下公式获得第一网络的第二信号值：
第一网络的第二信号值S1＝RTP传输速率*p，
第一网络的第二信号值S2＝RTP掉包率*q，其中，p和q为线性换算因 子；将第一网络的第二信号值S1和第一网络的第二信号值S2中的最小值作为第一网络的第二信号值；或者
第三处理单元，设置为根据以下公式获得第一网络的第二信号值：
RTP传输速率下降率L1＝当前RTP传输速率/正常RTP传输速率，
RTP掉包率增加率L2＝当前RTP掉包率/正常RTP掉包率，
第一网络的第二信号值＝第一网络的第一信号值*L1/L2；或者
第四处理单元，设置为若RTP传输速率小于第一预设容忍值和/或RTP掉包率大于第二预设容忍值，则将第一预设门限值减去一第三预设值，得到第一网络的第二信号值。
可选地，上述映射表中，RTP传输速率的范围值或者RTP掉包率的范围值对应的第一网络的第二信号值可以包括如下任一种：
常数值；
第一网络的第一信号值减去确定值得到的值；
Average{A dB，last Average}，其中，A为第一网络的第一信号值，last Average为RTP传输速率的范围值或者RTP掉包率的范围值多次达到某个范围时，记录的当时的第一网络的第一信号值的平均值，Average{A dB，last Average}为A和last Average的平均值作为第一网络的第二信号值；
min{A dB，last min}，其中，A为第一网络的第一信号值，last min为RTP传输速率的范围值或者RTP掉包率的范围值多次达到某个范围时，记录的多个第一网络的第一信号值中最差的第一网络的第一信号值，min{A dB，last min}为A和last min中选取最小的作为第一网络的第二信号值。
可选地，切换模块240包括：替换子模块和切换子模块。
替换子模块，设置为如果第一网络的第一信号值和第一网络的第二信号值的差值在预设范围内，利用第一网络的第二信号值替换第一网络的第一信号值；
切换子模块，设置为如果替换后的第一网络的第一信号值低于第一预设门限值且第二网络的第一信号值高于第二预设门限值，则从第一网络切换到第二网络。
上述实施例提供的终端在网络间切换的装置与方法实施例提供的终端在 网络间切换的方法属于同一构思，其实现过程详见方法实施例，为避免重复，这里不再赘述。
本发明实施例提供的终端在网络间切换的装置，通过获取模块获取终端接入的第一网络的第一网络的第一信号值以及与该第一网络相邻的第二网络的第二网络的第一信号值；通过确定模块根据第一网络的第一信号值以及第二网络的第一信号值，确定终端处在从第一网络切换到第二网络的切换区域内；转换模块将终端在第一网络中语音通话时的指标信息转换为第一网络的第二信号值，切换模块根据第一网络的第二信号值和第一网络的第一信号值，从第一网络切换到第二网络。这样终端在网络间切换的过程中考虑了终端在当前网络的语音通话质量，避免了在出现终端语音包传输通路质量劣化的情况下，却迟迟无法切换至相邻网络的问题，保证了通话功能体验。
本发明实施例提供一种终端，包括如上所述的终端在网络间切换的装置。
由于上述任一种所述终端在网络间切换的装置具有前述技术效果，因此，具有终端在网络间切换的装置的终端也应具备相应的技术效果，其实施过程与上述实施例类似，为避免重复，这里不再赘述。
最后，再结合附图3和附图4，通过实施示例，对本文提供的方法作更为详细的说明。
在该实施示例中，第一网络为LTE网络，第二网络为临2G/3G网络，则该终端在网络间的切换过程为一种SRVCC切换过程，该终端支持VoLTE/SRVCC。请参见图3，其示出的是本发明实施例的终端在网络间切换的装置的一种结构实施示例，该实施示例提供的终端在网络间切换的装置可以包括：实时检测模块310、信号测量模块320、测量报告修正模块330以及测量报告生成模块340；其中，信号测量模块320包括获取模块210，测量报告修正模块330包括确定模块220和转换模块230，测量报告生成模块340包括切换模块240。
再结合图4，其示出的是本发明实施例的终端在网络间切换的方法的一种流程实施示例，该终端在网络间切换的方法包括如下步骤401至406：
步骤401，收集RTP传输速率和RTP掉包率。
可选地，终端进行VoLTE通话时，实时检测模块310启动监测RTP数 据传输两个指标信息(RTP传输速率和RTP掉包率)，每隔预定时间将该指标信息发送给测量报告修正模块330。
步骤402，收集LTE小区信号和临2G/3G小区信号。
可选地，信号测量模块320获取LTE小区信号a(第一网络的第一信号值)和临2G/3G小区信号b(第二网络的第一信号值)，终端的射频驱动将该LTE小区信号a和临2G/3G小区信号b发送给测量报告修正模块330。
步骤403，判断终端是否处在SRVCC切换区域。
可选地，终端已经从系统消息中获得网络侧下发的SRVCC切换门限值：E-UTRAN门限值(第一预设门限值)为A，UTRAN门限值(第二预设门限值)为B；如果测量报告修正模块330的判断结果是LTE小区信号a值低于一个预设的网络门限值A’(第一预设值，A’大于A)，且临3G/2G小区信号b高于B值，或者LTE小区信号a和E-UTRAN门限值A的差值在3dB(第二预设值)之内，且临2G/3G小区信号b高于B值，终端当前处于LTE信号弱区域，3G/2G信号强区域，确定终端处在SRVCC切换区域内，则执行步骤404；如果终端处在SRVCC切换区域内，则重新执行步骤402，收集LTE小区信号和临2G/3G小区信号。
步骤404，根据RTP传输速率和RTP掉包率评估出等价的LTE信号接收值。
可选地，测量报告修正模块330可以通过以下任意一种实现方式，将RTP传输速率和RTP掉包率转换成等价的LTE信号接收值(第一网络的第二信号值)。
1、通过查找预设的RTP传输速率的范围值以及RTP掉包率的范围值与等价的LTE信号接收值之间的对应关系映射表，将RTP传输速率和RTP掉包率转换成等价的LTE信号接收值。
2、根据线性运算公式：
等价的LTE信号接收值1＝RTP传输速率*p；
等价的LTE信号接收值2＝RTP掉包率*q；
将等价的LTE信号接收值1和等价的LTE信号接收值2中的最小值作为等价的LTE信号接收值。
3、根据线性运算公式：
RTP传输速率下降率L1＝当前RTP传输速率/正常RTP传输速率；
RTP掉包率增加率L2＝当前RTP掉包率/正常RTP掉包率；
等价的LTE信号接收值＝LTE小区信号a*L1/L2。
4、根据最低容忍标准，当RTP传输速率小于第一预设容忍值和/或RTP掉包率大于第二预设容忍值，则将E-UTRAN门限值A减去1dB(第三预设值)，得到等价的LTE信号接收值。
步骤405，判断等价的LTE信号接收值和实际测量值的差值在可替换范围。
可选地，测量报告修正模块330判断等价的LTE信号接收值和实际测量值(LTE小区信号a)的差值是否在可替换范围(预设范围)，即差值的绝对值是否小于2dB。若在可替换范围内，执行步骤406；若不在可替换范围内，重新检测。
步骤406，将等价的LTE信号接收值取代实际测量值；在满足SRVCC切换门限值时，从LTE网络切换到临2G/3G网络。
可选地，测量报告生成模块340将经过测量报告修正模块330判断的与实际测量值(LTE小区信号a)的差值在可替换范围(预设范围)内的上述等价的LTE信号接收值替换实际测量值(LTE小区信号a)；测量报告生成模块340使用该等价的LTE信号接收值与E-UTRAN门限值A比较，将临2G/3G小区信号b与UTRAN门限值B比较，当等价的LTE信号接收值低于A，临2G/3G小区信号b高于B，即满足SRVCC切换门限值，则向网络上报测量报告；网络将通话的承载在2G/3G网络建好后，通知终端切换到临2G/3G网络。
本发明实施例还提供一种计算机可读存储介质，存储有计算机可执行指令，所述计算机可执行指令用于执行上述实施例的方法。
本领域普通技术人员可以理解上述方法中的全部或部分步骤可通过程序 来指令相关硬件(例如处理器)完成，所述程序可以存储于计算机可读存储介质中，如只读存储器、磁盘或光盘等。可选地，上述实施例的全部或部分步骤也可以使用一个或多个集成电路来实现。相应地，上述实施例中的模块/单元可以采用硬件的形式实现，例如通过集成电路来实现其相应功能，也可以采用软件功能模块的形式实现，例如通过处理器执行存储于存储器中的程序指令来实现其相应功能。本申请不限制于任何特定形式的硬件和软件的结合。
工业实用性
本发明实施例通过获取终端接入的第一网络的第一网络的第一信号值以及与该第一网络相邻的第二网络的第二网络的第一信号值；并根据第一网络的第一信号值以及第二网络的第一信号值，确定终端处在从第一网络切换到第二网络的切换区域内；将终端在第一网络中语音通话时的指标信息转换为第一网络的第二信号值，根据第一网络的第二信号值和第一网络的第一信号值，从第一网络切换到第二网络，这样实现终端在网络间切换的过程中考虑了终端在当前网络的语音通话质量，避免了在出现终端语音包传输通路质量劣化的情况下，却迟迟无法切换至相邻网络的问题，保证了通话功能体验。

Claims (13)

  1. 一种终端在网络间切换的方法，包括：
    获取终端接入的第一网络的第一信号值以及与该第一网络相邻的第二网络的第一信号值；
    根据所述第一网络的第一信号值以及第二网络的第一信号值，确定所述终端处在从第一网络切换到第二网络的切换区域内；
    将预先获取到的终端在第一网络中语音通话时的指标信息转换为第一网络的第二信号值；
    根据所述第一网络的第二信号值和所述第一网络的第一信号值，从第一网络切换到第二网络。
  2. 根据权利要求1所述的方法，其中，所述从第一网络切换到第二网络的切换区域内，所述第一网络的第一信号值低于第一预设值，且所述第二网络的第一信号值高于第二预设门限值；或者
    所述从第一网络切换到第二网络的切换区域内，所述第一网络的第一信号值和第一预设门限值的差值小于第二预设值，且所述第二网络的第一信号值高于第二预设门限值。
  3. 根据权利要求1所述的方法，其中，所述将预先获取到的终端在第一网络中语音通话时的指标信息转换为第一网络的第二信号值包括：
    将预先获取到的当前的实时传输协议RTP传输速率和当前的RTP掉包率转换为第一网络的第二信号值。
  4. 根据权利要求3所述的方法，其中，所述将预先获取到的当前的RTP传输速率和当前的RTP掉包率转换为第一网络的第二信号值包括：
    在预设的映射表中，查找所述当前的RTP传输速率所在的第一范围，获得该第一范围对应的第一网络的第二信号值S1；并在所述映射表中，查找当前的RTP掉包率所在的第二范围，获得该第二范围对应的第一网络的第二信号值S2；其中，所述映射表为：RTP传输速率的范围值以及RTP掉包率的范围值与第一网络的第二信号值之间的对应关系映射表；或者
    根据以下获得第一网络的第二信号值：
    第一网络的第二信号值S1＝RTP传输速率*p；
    第一网络的第二信号值S2＝RTP掉包率*q；
    其中，p和q为线性换算因子；
    将第一网络的第二信号值S1和第一网络的第二信号值S2中的最小值作为第一网络的第二信号值；或者
    根据以下公式获得第一网络的第二信号值：
    RTP传输速率下降率L1＝当前RTP传输速率/正常RTP传输速率；
    RTP掉包率增加率L2＝当前RTP掉包率/正常RTP掉包率；
    第一网络的第二信号值＝第一网络的第一信号值*L1/L2；或者
    若所述RTP传输速率小于第一预设容忍值和/或所述RTP掉包率大于第二预设容忍值，则将第一预设门限值减去第三预设值，得到所述第一网络的第二信号值。
  5. 根据权利要求4所述的方法，其中，所述映射表中，RTP传输速率的范围值或者RTP掉包率的范围值对应的第一网络的第二信号值包括如下任一种：
    常数值；
    第一网络的第一信号值减去确定值得到的值；
    将A和last Average的平均值作为第一网络的第二信号值；，其中，A为第一网络的第一信号值，last Average为RTP传输速率的范围值或者RTP掉包率的范围值多次达到设定范围时，记录的当时的第一网络的第一信号值的平均值；
    从A和last min中选取最小值作为第一网络的第二信号值，其中，A为第一网络的第一信号值，last min为RTP传输速率的范围值或者RTP掉包率的范围值多次达到某个范围时，记录的多个第一网络的第一信号值中最差的第一网络的第一信号值。
  6. 根据权利要求1所述的方法，其中，所述根据所述第一网络的第二信号值和所述第一网络的第一信号值，从第一网络切换到第二网络包括：
    如果所述第一网络的第一信号值和第一网络的第二信号值的差值在预设范围内，利用第一网络的第二信号值替换第一网络的第一信号值；
    如果替换后的第一网络的第一信号值低于第一预设门限值且所述第二网络的第一信号值高于第二预设门限值，则从第一网络切换到第二网络。
  7. 一种终端在网络间切换的装置，包括：
    获取模块，设置为获取终端接入的第一网络的第一信号值以及与该第一网络相邻的第二网络的第一信号值；
    确定模块，设置为根据所述第一网络的第一信号值以及第二网络的第一信号值，确定所述终端处在从第一网络切换到第二网络的切换区域内；
    转换模块，设置为将预先获取到的终端在第一网络中语音通话时的指标信息转换为第一网络的第二信号值；
    切换模块，设置为根据所述第一网络的第二信号值和所述第一网络的第一信号值，从第一网络切换到第二网络。
  8. 根据权利要求7所述的装置，其中，所述从第一网络切换到第二网络的切换区域内，所述第一网络的第一信号值低于第一预设值，且所述第二网络的第一信号值高于第二预设门限值；或者
    所述从第一网络切换到第二网络的切换区域内，所述第一网络的第一信号值和第一预设门限值的差值小于第二预设值，且所述第二网络的第一信号值高于第二预设门限值。
  9. 根据权利要求7所述的装置，其中，所述转换模块包括：
    转换子模块，设置为将预先获取到的当前的实时传输协议RTP传输速率和当前的RTP掉包率转换为第一网络的第二信号值。
  10. 根据权利要求9所述的装置，其中，所述转换子模块包括：
    第一处理单元，设置为在预设的映射表中，查找所述当前的RTP传输速率所在的第一范围，获得该第一范围对应的第一网络的第二信号值；并在所述映射表中，查找当前的RTP掉包率所在的第二范围，获得该第二范围对应的第一网络的第二信号值；其中，所述映射表为：RTP传输速率的范围值以 及RTP掉包率的范围值与第一网络的第二信号值之间的对应关系映射表；或者
    第二处理单元，设置为根据以下公式获得第一网络的第二信号值：
    第一网络的第二信号值S1＝RTP传输速率*p；
    第一网络的第二信号值S2＝RTP掉包率*q；
    其中，p和q为线性换算因子；
    将第一网络的第二信号值S1和第一网络的第二信号值S2中的最小值作为第一网络的第二信号值；或者
    第三处理单元，设置为根据以下公式获得第一网络的第二信号值：
    RTP传输速率下降率L1＝当前RTP传输速率/正常RTP传输速率；
    RTP掉包率增加率L2＝当前RTP掉包率/正常RTP掉包率；
    第一网络的第二信号值＝第一网络的第一信号值*L1/L2；或者
    第四处理单元，设置为若所述RTP传输速率小于第一预设容忍值和/或所述RTP掉包率大于第二预设容忍值，则将第一预设门限值减去一第三预设值，得到所述第一网络的第二信号值。
  11. 根据权利要求10所述的装置，其中，所述映射表中，RTP传输速率的范围值或者RTP掉包率的范围值对应的第一网络的第二信号值包括如下任一种：
    常数值；
    第一网络的第一信号值减去一确定值得到的值；
    将A和last Average的平均值作为第一网络的第二信号值，其中，A为第一网络的第一信号值，last Average为RTP传输速率的范围值或者RTP掉包率的范围值多次达到设定范围时，记录的当时的第一网络的第一信号值的平均值；
    从A和last min中选取最小值的作为第一网络的第二信号值，其中，A为第一网络的第一信号值，last min为RTP传输速率的范围值或者RTP掉包率的范围值多次达到某个范围时，记录的多个第一网络的第一信号值中最差的第一网络的第一信号值。
  12. 根据权利要求7所述的装置，其中，所述切换模块包括：
    替换子模块，设置为如果所述第一网络的第一信号值和第一网络的第二信号值的差值在预设范围内，利用所述第一网络的第二信号值替换所述第一网络的第一信号值；
    切换子模块，设置为如果替换后的第一网络的第一信号值低于第一预设门限值且所述第二网络的第一信号值高于第二预设门限值，则从第一网络切换到第二网络。
  13. 一种终端，包括如权利要求7-12任意一项所述的终端在网络间切换的装置。
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CN110121145A (zh) * 2019-04-23 2019-08-13 维沃移动通信有限公司 一种网络连接方法和移动终端
CN110121145B (zh) * 2019-04-23 2021-08-20 维沃移动通信有限公司 一种网络连接方法和移动终端

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